Biology ยท General Awareness

Vaccination and Immunity

997 Questions

This hub presents questions focused on vaccination and human immunity. It covers essential topics such as herd immunity, non-specific immunity, antigens, and historical vaccine developments. These concepts are crucial for general science sections in medical and civil service exams.

Herd immunity functionsNon-specific immunitySmallpox vaccinationInterferon proteinsAntigen propertiesImmunological amnesia

Vaccination and Immunity Questions

Multiple choice

What is the term used to describe the state of unresponsiveness to self-antigens?

  1. Immune tolerance

  2. Autoimmunity

  3. Hypersensitivity

  4. Immunodeficiency
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Immune tolerance refers to the state of unresponsiveness to self-antigens, preventing the immune system from attacking its own tissues.

Multiple choice

What is the term used to describe the process by which immune responses are dampened or terminated after an infection has been cleared?

  1. Immune tolerance

  2. Immune regulation

  3. Immune memory

  4. Immune exhaustion
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Immune regulation refers to the processes that dampen or terminate immune responses after an infection has been cleared, preventing excessive or prolonged inflammation.

Multiple choice

Which type of immune tolerance is induced by the administration of antigens in a non-immunogenic form?

  1. Central tolerance

  2. Peripheral tolerance

  3. Natural tolerance

  4. Acquired tolerance
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Acquired tolerance is induced by the administration of antigens in a non-immunogenic form, leading to the suppression of immune responses against those antigens.

Multiple choice

What is the term used to describe the state of heightened immune responsiveness to a specific antigen following an initial exposure?

  1. Immune tolerance

  2. Immune regulation

  3. Immune memory

  4. Immune exhaustion
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Immune memory refers to the state of heightened immune responsiveness to a specific antigen following an initial exposure, allowing for a more rapid and robust response upon subsequent encounters with the same antigen.

Multiple choice

Which of the following is a vaccine that is used to prevent measles, mumps, and rubella?

  1. MMR vaccine

  2. DTaP vaccine

  3. Hib vaccine

  4. HPV vaccine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

MMR vaccine is a vaccine that is used to prevent measles, mumps, and rubella.

Multiple choice

Which of the following is a public health measure that is used to prevent the spread of infectious diseases?

  1. Handwashing

  2. Vaccination

  3. Isolation

  4. Quarantine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Handwashing is a public health measure that is used to prevent the spread of infectious diseases.

Multiple choice

What are some of the promising developments in the fight against respiratory diseases?

  1. New vaccines

  2. New treatments

  3. Improved prevention strategies

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

There are a number of promising developments in the fight against respiratory diseases. These include new vaccines, new treatments, and improved prevention strategies.

Multiple choice

Which of the following is NOT a success story of the CDC?

  1. The eradication of smallpox.

  2. The development of the polio vaccine.

  3. The control of HIV/AIDS.

  4. The elimination of measles.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Measles has not been eliminated in the United States, although it is a vaccine-preventable disease.

Multiple choice

What is the name of the vaccine that is used to prevent measles, mumps, and rubella?

  1. MMR vaccine

  2. DTaP vaccine

  3. HPV vaccine

  4. Polio vaccine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The MMR vaccine is a combination vaccine that protects against measles, mumps, and rubella.

Multiple choice

What is the name of the vaccine that is used to prevent polio?

  1. IPV vaccine

  2. OPV vaccine

  3. DTaP vaccine

  4. MMR vaccine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The IPV vaccine is an inactivated polio vaccine that is used to prevent polio.

Multiple choice

What is the recommended immunization schedule for newborns?

  1. Hepatitis B vaccine at birth

  2. BCG vaccine at birth

  3. Polio vaccine at 2, 4, and 6 months

  4. Measles, mumps, and rubella (MMR) vaccine at 12 months
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

The recommended immunization schedule for newborns includes Hepatitis B vaccine at birth, BCG vaccine at birth, Polio vaccine at 2, 4, and 6 months, and Measles, mumps, and rubella (MMR) vaccine at 12 months.

Multiple choice

What is the purpose of the Global Alliance for Vaccines and Immunization (GAVI)?

  1. To provide financial assistance to countries for vaccination programs

  2. To conduct research on new vaccines and immunization technologies

  3. To coordinate global efforts to eradicate vaccine-preventable diseases

  4. To advocate for increased funding for vaccination programs
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The Global Alliance for Vaccines and Immunization (GAVI) is a global partnership that provides financial assistance to countries for vaccination programs. It is the largest global fund dedicated to vaccines.

Multiple choice

What was the name of the first vaccine developed, and what disease did it prevent?

  1. Smallpox vaccine, smallpox

  2. Polio vaccine, polio

  3. Measles vaccine, measles

  4. Tetanus vaccine, tetanus
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The first vaccine developed was the smallpox vaccine, which was created by Edward Jenner in 1796. This vaccine prevented smallpox, a deadly disease that killed millions of people worldwide.

Multiple choice

Which disease was eradicated globally through a worldwide vaccination campaign?

  1. Smallpox

  2. Polio

  3. Measles

  4. Tetanus
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Smallpox was eradicated globally through a worldwide vaccination campaign led by the World Health Organization (WHO). The last case of smallpox was reported in 1977.

Multiple choice

Which of the following is an example of a challenge faced in the development of new vaccines?

  1. The need for extensive clinical trials

  2. The potential for side effects

  3. The difficulty in predicting the effectiveness of a vaccine

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All of the options listed can pose challenges in the development of new vaccines.